void gs_image_t_init_mask_adjust(gs_image_t * pim, bool write_1s, bool adjust) { gs_image_t_init(pim, NULL); if (write_1s) pim->Decode[0] = 1, pim->Decode[1] = 0; else pim->Decode[0] = 0, pim->Decode[1] = 1; pim->adjust = adjust; }
/* Common code for .image1 and .alphaimage operators */ int image1_setup(i_ctx_t * i_ctx_p, bool has_alpha) { os_ptr op = osp; gs_image_t image; image_params ip; int code; gs_color_space *csp = gs_currentcolorspace(igs); extern bool CPSI_mode; /* Adobe interpreters accept sampled images when the current color * space is a pattern color space using the base color space instead * of the pattern space. CET 12-07a-12 * If all conditions are not met the pattern color space goes through * triggering a rangecheck error. */ if (CPSI_mode && gs_color_space_num_components(csp) < 1) { gs_color_space *bsp = csp->base_space; if (bsp) csp = bsp; } gs_image_t_init(&image, csp); code = pixel_image_params( i_ctx_p, op, (gs_pixel_image_t *)&image, &ip, (level2_enabled ? 16 : 8), has_alpha, csp); if (code < 0) return code; image.Alpha = (has_alpha ? gs_image_alpha_last : gs_image_alpha_none); return zimage_setup( i_ctx_p, (gs_pixel_image_t *)&image, &ip.DataSource[0], image.CombineWithColor, 1 ); }
static int test5(gs_state * pgs, gs_memory_t * mem) { gx_device *dev = gs_currentdevice(pgs); gx_image_enum_common_t *info; gx_image_plane_t planes[5]; gx_drawing_color dcolor; int code; static const byte data3[] = { 0x00, 0x44, 0x88, 0xcc, 0x44, 0x88, 0xcc, 0x00, 0x88, 0xcc, 0x00, 0x44, 0xcc, 0x00, 0x44, 0x88 }; gs_color_space *gray_cs = gs_cspace_new_DeviceGray(mem); /* * Neither ImageType 3 nor 4 needs a current color, * but some intermediate code assumes it's valid. */ set_nonclient_dev_color(&dcolor, 0); /* Scale everything up, and fill the background. */ { gs_matrix mat; gs_currentmatrix(pgs, &mat); mat.xx = gs_copysign(98.6, mat.xx); mat.yy = gs_copysign(98.6, mat.yy); mat.tx = floor(mat.tx) + 0.499; mat.ty = floor(mat.ty) + 0.499; gs_setmatrix(pgs, &mat); } gs_setrgbcolor(pgs, 1.0, 0.9, 0.9); fill_rect1(pgs, 0.25, 0.25, 4.0, 6.0); gs_setrgbcolor(pgs, 0.5, 1.0, 0.5); #if 0 /* Make things a little more interesting.... */ gs_translate(pgs, 1.0, 1.0); gs_rotate(pgs, 10.0); gs_scale(pgs, 1.3, 0.9); #endif #define do_image(image, idata)\ BEGIN\ code = gx_device_begin_typed_image(dev, (gs_imager_state *)pgs, NULL,\ (gs_image_common_t *)&image, NULL, &dcolor, NULL, mem, &info);\ /****** TEST code >= 0 ******/\ planes[0].data = idata;\ planes[0].data_x = 0;\ planes[0].raster = (image.Height * image.BitsPerComponent + 7) >> 3;\ code = gx_image_plane_data(info, planes, image.Height);\ /****** TEST code == 1 ******/\ code = gx_image_end(info, true);\ /****** TEST code >= 0 ******/\ END #define W 4 #define H 4 /* Test an unmasked image. */ gs_gsave(pgs); { gs_image1_t image1; void *info1; gs_color_space *cs; cs = gs_cspace_new_DeviceGray(mem); gs_image_t_init(&image1, cs); /* image */ image1.ImageMatrix.xx = W; image1.ImageMatrix.yy = -H; image1.ImageMatrix.ty = H; /* data_image */ image1.Width = W; image1.Height = H; image1.BitsPerComponent = 8; gs_translate(pgs, 0.5, 4.0); code = gx_device_begin_image(dev, (gs_imager_state *) pgs, &image1, gs_image_format_chunky, NULL, &dcolor, NULL, mem, &info1); /****** TEST code >= 0 ******/ planes[0].data = data3; planes[0].data_x = 0; planes[0].raster = (image1.Height * image1.BitsPerComponent + 7) >> 3; /* Use the old image_data API. */ code = gx_image_data(info1, &planes[0].data, 0, planes[0].raster, image1.Height); /****** TEST code == 1 ******/ code = gx_image_end(info1, true); /****** TEST code >= 0 ******/ gs_free_object(mem, cs, "colorspace"); } gs_grestore(pgs); /* Test an explicitly masked image. */ gs_gsave(pgs); { gs_image3_t image3; static const byte data3mask[] = { 0x60, 0x90, 0x90, 0x60 }; static const byte data3x2mask[] = { 0x66, 0x99, 0x99, 0x66, 0x66, 0x99, 0x99, 0x66 }; gs_image3_t_init(&image3, gray_cs, interleave_scan_lines); /* image */ image3.ImageMatrix.xx = W; image3.ImageMatrix.yy = -H; image3.ImageMatrix.ty = H; /* data_image */ image3.Width = W; image3.Height = H; image3.BitsPerComponent = 8; /* MaskDict */ image3.MaskDict.ImageMatrix = image3.ImageMatrix; image3.MaskDict.Width = image3.Width; image3.MaskDict.Height = image3.Height; /* Display with 1-for-1 mask and image. */ gs_translate(pgs, 0.5, 2.0); code = gx_device_begin_typed_image(dev, (gs_imager_state *) pgs, NULL, (gs_image_common_t *) & image3, NULL, &dcolor, NULL, mem, &info); /****** TEST code >= 0 ******/ planes[0].data = data3mask; planes[0].data_x = 0; planes[0].raster = (image3.MaskDict.Height + 7) >> 3; planes[1].data = data3; planes[1].data_x = 0; planes[1].raster = (image3.Height * image3.BitsPerComponent + 7) >> 3; code = gx_image_plane_data(info, planes, image3.Height); /****** TEST code == 1 ******/ code = gx_image_end(info, true); /****** TEST code >= 0 ******/ /* Display with 2-for-1 mask and image. */ image3.MaskDict.ImageMatrix.xx *= 2; image3.MaskDict.ImageMatrix.yy *= 2; image3.MaskDict.ImageMatrix.ty *= 2; image3.MaskDict.Width *= 2; image3.MaskDict.Height *= 2; gs_translate(pgs, 1.5, 0.0); code = gx_device_begin_typed_image(dev, (gs_imager_state *) pgs, NULL, (gs_image_common_t *) & image3, NULL, &dcolor, NULL, mem, &info); /****** TEST code >= 0 ******/ planes[0].data = data3x2mask; planes[0].raster = (image3.MaskDict.Width + 7) >> 3; { int i; for (i = 0; i < H; ++i) { planes[1].data = 0; code = gx_image_plane_data(info, planes, 1); planes[0].data += planes[0].raster; /****** TEST code == 0 ******/ planes[1].data = data3 + i * planes[1].raster; code = gx_image_plane_data(info, planes, 1); planes[0].data += planes[0].raster; /****** TEST code >= 0 ******/ } } /****** TEST code == 1 ******/ code = gx_image_end(info, true); /****** TEST code >= 0 ******/ } gs_grestore(pgs); /* Test a chroma-keyed masked image. */ gs_gsave(pgs); { gs_image4_t image4; const byte *data4 = data3; gs_image4_t_init(&image4, gray_cs); /* image */ image4.ImageMatrix.xx = W; image4.ImageMatrix.yy = -H; image4.ImageMatrix.ty = H; /* data_image */ image4.Width = W; image4.Height = H; image4.BitsPerComponent = 8; /* Display with a single mask color. */ gs_translate(pgs, 0.5, 0.5); image4.MaskColor_is_range = false; image4.MaskColor[0] = 0xcc; do_image(image4, data4); /* Display a second time with a color range. */ gs_translate(pgs, 1.5, 0.0); image4.MaskColor_is_range = true; image4.MaskColor[0] = 0x40; image4.MaskColor[1] = 0x90; do_image(image4, data4); } gs_grestore(pgs); gs_free_object(mem, gray_cs, "test5 gray_cs"); #undef W #undef H #undef do_image return 0; }
/* Set up the color space information for a bitmap image or pattern. */ int px_image_color_space(gs_image_t *pim, const px_bitmap_params_t *params, const gs_string *palette, const gs_state *pgs) { int depth = params->depth; gs_color_space *pbase_pcs = NULL; gs_color_space *pcs = NULL; bool cie_space = false; int code = 0; switch ( params->color_space ) { case eGray: pbase_pcs = gs_cspace_new_DeviceGray(pgs->memory); pbase_pcs->cmm_icc_profile_data = pgs->icc_manager->default_gray; pbase_pcs->type = &gs_color_space_type_ICC; rc_increment(pbase_pcs->cmm_icc_profile_data); break; case eRGB: pbase_pcs = gs_cspace_new_DeviceRGB(pgs->memory); pbase_pcs->cmm_icc_profile_data = pgs->icc_manager->default_rgb; pbase_pcs->type = &gs_color_space_type_ICC; rc_increment(pbase_pcs->cmm_icc_profile_data); break; case eSRGB: case eCRGB: if ( pl_cspace_init_SRGB(&pbase_pcs, pgs) < 0 ) /* should not happen */ return_error(errorInsufficientMemory); cie_space = true; pbase_pcs->cmm_icc_profile_data = pgs->icc_manager->default_rgb; pbase_pcs->type = &gs_color_space_type_ICC; rc_increment(pbase_pcs->cmm_icc_profile_data); break; default: return_error(errorIllegalAttributeValue); } if (pbase_pcs == NULL) return_error(errorInsufficientMemory); if ( params->indexed ) { pcs = gs_cspace_alloc(pgs->memory, &gs_color_space_type_Indexed); if ( pcs == NULL ) { /* free the base space also */ rc_decrement(pbase_pcs, "px_image_color_space"); return_error(errorInsufficientMemory); } pcs->base_space = pbase_pcs; pcs->params.indexed.hival = (1 << depth) - 1; pcs->params.indexed.lookup.table.size = palette->size; { uint n = palette->size; byte *p = gs_alloc_string(pgs->memory, n, "px_image_color_space(palette)"); if ( p == 0 ) { rc_decrement(pbase_pcs, "px_image_color_space"); return_error(errorInsufficientMemory); } memcpy(p, palette->data, n); pcs->params.indexed.lookup.table.data = p; } pcs->params.indexed.use_proc = 0; } else { pcs = pbase_pcs; } gs_image_t_init(pim, pcs); pim->ColorSpace = pcs; pim->BitsPerComponent = depth; if ( params->indexed ) pim->Decode[1] = (1 << depth) - 1; /* NB - this needs investigation */ if (cie_space && !px_is_currentcolor_pattern(pgs)) { code = pl_setSRGBcolor((gs_state *)pgs, 0.0, 0.0, 0.0); } return code; }